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Pi空间与P-紧空间
引用本文:苏发慧,杨芹. Pi空间与P-紧空间[J]. 吉首大学学报(自然科学版), 2009, 30(4): 13-15
作者姓名:苏发慧  杨芹
作者单位:(1.安徽建筑工业学院数理系,安徽 合肥 230022;2.邯郸广播电视大学,河北 邯郸 056001)
摘    要:利用p-开集(又称准开集)定义了Pi(i=0,1,2,3,4)空间,讨论了它们的性质及Pi(i=0,1,2,3,4)空间与Ti(i=0,1,2,3,4)空间的关系;同时给出了p-覆盖的定义,继而定义了一种新的紧致空间--P-紧致空间,讨论了它的性质及P-紧空间与Pi空间的关系,得到一些很好的性质.

关 键 词:p-开集  p-覆盖  P-紧致空间  Pi(i=0  1  2  3  4)空间  

Pi-Spaces and P-Compact Spaces
SU Fa-hui,YANG Qin. Pi-Spaces and P-Compact Spaces[J]. Journal of Jishou University(Natural Science Edition), 2009, 30(4): 13-15
Authors:SU Fa-hui  YANG Qin
Affiliation:(1.Maths and Science  Department,Anhui Institute of Architecture,Hefei 230022,China;2.Handan  University of Broadcasting and Television,Handan 056001,Hebei China)
Abstract:Using p-open sets,the authors give  the definition of Pi(i=0,1,2,3,4) spaces and discuss their characters.The author also define p-cover and discuss the relations between Pi(i=0,1,2,3,4) spaces and Ti(i=0,1,2,3,4) spaces.A new compact space——P-compact space is defined,and the characters of P-compact space and the relations between P-compact space and Pi-space are discussed.Thus,several conclusions are drawn.
Keywords:p-cover  P-compact space  i(i=0,1,2,3,4) space')"   href="  #"  >Pi(i=0,1,2,3,4) space
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